| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:20.38 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 100m Breaststroke | 1:24.37 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 100m Butterfly | 1:21.29 | Outstanding Events Time Trial | 2026-02-05 |
| 200m Backstroke | 3:09.85 | 2025 Summer Divisionals Island & Coastal Vancouver | 2025-06-27 |
| 200m Breaststroke | 3:03.76 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 200m Freestyle | 2:50.13 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 200m IM | 2:59.82 | Outstanding Events Time Trial | 2026-02-05 |
| 400m Freestyle | 6:09.95 | Hollyburn Distance Time Trial | 2025-11-01 |
| 400m IM | 6:32.25 | Hollyburn Distance Time Trial | 2025-11-01 |
| 50m Backstroke | 38.17 | Outstanding Events Time Trial | 2026-02-05 |
| 50m Breaststroke | 37.91 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Butterfly | 34.65 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Freestyle | 33.43 | Outstanding Events Time Trial | 2026-02-05 |
| 800m Freestyle | 12:37.39 | Hollyburn Distance Time Trial | 2025-11-01 |
Cheung, Maelie's top personal bests include 100m Backstroke (1:20.38), 100m Breaststroke (1:24.37), 100m Butterfly (1:21.29), 200m Backstroke (3:09.85), 200m Breaststroke (3:03.76).
Cheung, Maelie swims for Hollyburn Swimming.
Cheung, Maelie has competed in 10 meets.